Structure of PDB 2bff Chain A Binding Site BS01

Receptor Information
>2bff Chain A (length=392) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
KPQFPGASAEFIDKLEFIQPNVISGIPIYRVMDRQGQIINPSEDPHLPKE
KVLKLYKSMTLLNTMDRILYESQRQGRISFYMTNYGEEGTHVGSAAALDN
TDLVFGQYREAGVLMYRDYPLELFMAQCYGNISDLGKGRQMPVHYGCKER
HFVTISSPLATQIPQAVGAAYAAKRANANRVVICYFGEGAASEGDAHAGF
NFAATLECPIIFFCRNNGYAISTPTSEQYRGDGIAARGPGYGIMSIRVDG
NDVFAVYNATKEARRRAVAENQPFLIEAMTYRIGHHSTSDDSSAYREVGY
WDKQDHPISRLRHYLLSQGWWDEEQEKAWRKQSRRKVMEAFEQAERKPKP
NPNLLFSDVYQEMPAQLRKQQESLARHLQTYGEHYPLDHFDK
Ligand information
Ligand IDTZD
InChIInChI=1S/C12H18N4O8P2S/c1-7-10(3-4-23-26(21,22)24-25(18,19)20)27-12(17)16(7)6-9-5-14-8(2)15-11(9)13/h5H,3-4,6H2,1-2H3,(H,21,22)(H2,13,14,15)(H2,18,19,20)
InChIKeyZGJUYGIRPQSCFA-UHFFFAOYSA-N
SMILES
SoftwareSMILES
ACDLabs 10.04O=C1SC(=C(N1Cc2c(nc(nc2)C)N)C)CCOP(=O)(O)OP(=O)(O)O
CACTVS 3.341Cc1ncc(CN2C(=C(CCO[P](O)(=O)O[P](O)(O)=O)SC2=O)C)c(N)n1
OpenEye OEToolkits 1.5.0Cc1ncc(c(n1)N)CN2C(=C(SC2=O)CCO[P@@](=O)(O)OP(=O)(O)O)C
CACTVS 3.341Cc1ncc(CN2C(=C(CCO[P@](O)(=O)O[P](O)(O)=O)SC2=O)C)c(N)n1
OpenEye OEToolkits 1.5.0Cc1ncc(c(n1)N)CN2C(=C(SC2=O)CCOP(=O)(O)OP(=O)(O)O)C
FormulaC12 H18 N4 O8 P2 S
Name2-{3-[(4-AMINO-2-METHYLPYRIMIDIN-5-YL)METHYL]-4-METHYL-2-OXO-2,3-DIHYDRO-1,3-THIAZOL-5-YL}ETHYL TRIHYDROGEN DIPHOSPHATE;
THIAMIN THIAZOLONE DIPHOSPHATE
ChEMBLCHEMBL403021
DrugBank
ZINCZINC000013540298
PDB chain2bff Chain A Residue 601 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB2bff A Versatile Conformational Switch Regulates Reactivity in Human Branched-Chain Alpha-Ketoacid Dehydrogenase.
Resolution1.46 Å
Binding residue
(original residue number in PDB)
Q112 Y113 R114 L164 G192 E193 G194 A195 R220 N222 Y224 A225 I226 H291
Binding residue
(residue number reindexed from 1)
Q107 Y108 R109 L159 G187 E188 G189 A190 R215 N217 Y219 A220 I221 H286
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) E76 S162 R287 H291 S292 Y300
Catalytic site (residue number reindexed from 1) E71 S157 R282 H286 S287 Y295
Enzyme Commision number 1.2.4.4: 3-methyl-2-oxobutanoate dehydrogenase (2-methylpropanoyl-transferring).
Gene Ontology
Molecular Function
GO:0003863 3-methyl-2-oxobutanoate dehydrogenase (2-methylpropanoyl-transferring) activity
GO:0005515 protein binding
GO:0016491 oxidoreductase activity
GO:0016624 oxidoreductase activity, acting on the aldehyde or oxo group of donors, disulfide as acceptor
GO:0016831 carboxy-lyase activity
GO:0046872 metal ion binding
GO:0047101 branched-chain alpha-keto acid dehydrogenase activity
Biological Process
GO:0009083 branched-chain amino acid catabolic process
Cellular Component
GO:0005739 mitochondrion
GO:0005759 mitochondrial matrix
GO:0045252 oxoglutarate dehydrogenase complex
GO:0160157 branched-chain alpha-ketoacid dehydrogenase complex

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Molecular Function

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Biological Process

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Cellular Component
External links
PDB RCSB:2bff, PDBe:2bff, PDBj:2bff
PDBsum2bff
PubMed16472748
UniProtP12694|ODBA_HUMAN 2-oxoisovalerate dehydrogenase subunit alpha, mitochondrial (Gene Name=BCKDHA)

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